TR201802888T4 - İç tahmin ile video kodu çözmek için usul. - Google Patents

İç tahmin ile video kodu çözmek için usul. Download PDF

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TR201802888T4
TR201802888T4 TR2018/02888T TR201802888T TR201802888T4 TR 201802888 T4 TR201802888 T4 TR 201802888T4 TR 2018/02888 T TR2018/02888 T TR 2018/02888T TR 201802888 T TR201802888 T TR 201802888T TR 201802888 T4 TR201802888 T4 TR 201802888T4
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internal prediction
block
mode
candidate
prediction modes
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TR2018/02888T
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English (en)
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Seregin Vadim
Kim Il-Koo
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Samsung Electronics Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

İç tahmin içeren bir video kodunu çözme usulü. Usul şunları içerir: bir alınan bit akışından kodlanmış video bloğundaki semboller ayrıştırılırken bloktaki bir en olası mod (MPM) bayrağının ayrıştırılması; MPM bayrağına göre bloğun iç tahmin modunu tahmin etmek için sayısı sabit olan birden fazla aday iç tahmin modunun kullanılıp kullanılmadığının belirlenmesi; MPM bayrağına göre birden fazla aday iç tahmin modu kullanıldığı belirlendiği takdirde, bloğun sembollerinin ayrıştırılması bittikten sonra ayrıştırılan semboller kullanılarak bloğun iç tahmin modu tekrar oluşturulurken bloğa komşu olan bir sol blok ve bir üst bloğun iç tahmin modlarına göre sayıları sabit olan birden fazla aday iç tahmin modunun belirlenmesi.

Description

TARIFNAME IÇ TAHMIN ILE VIDEO KODU ÇÖZMEK IÇIN USUL Teknik Alan Mevcut bulus iç tahmin kullanarak bir videonun kodlanmasi ve kodunun çözülmesi ile Teknik Ile Ilgili Bilinen Hususlar Yüksek çözünürlüklü veya yüksek kaliteli video içerigini yeniden olusturmaya ve depolamaya yönelik donaniin gelistirildikçe ve tedarik edildikçe, yüksek çözünürlüklü veya yüksek kaliteli video içerigini verimli biçimde kodlamaya veya kodunu çözmeye yönelik bir Video kodegine (kodlayici/kod çözücü) ihtiyaç artmaktadir. Bir geleneksel Video kodeginde, bir video önceden belirlenmis bir boyuta sahip bir makro-bloga dayanan bir sinirli kodlama usulüne göre kodlanir. Bir uzamsal alan görüntü verisi frekans dönüstürme kullanilarak bir frekans alani katsayilarina dönüstürülür. Bir video kodegi, frekans dönüsümünü hizli gerçeklestirmek için bir görüntüyü önceden belirlenmis boyutlardaki bloklar halinde böler ve blok biriminin frekans katsayisini kodlamak için her blok üzerinde ayrik kosinüs dönüsümü (DCT) gerçeklestirir. Uzamsal alan görüntü verisinin sikistirilmasiyla karsilastirildiginda &ekans alaninin katsayilarinin sikistirilmasi kolaydir. Ozellikle. uzamsal alandaki görüntü piksel degerleri video kodeginin ara-tahmin veya iç tahminin içinde tahmin edilen hatalar olarak temsil edilebildiginden, tahmin edilen hatalar üzerinde frekans dönüsümü gerçeklestirilirken büyük bir miktardaki veri O'a dönüstülülebilir. TR

Claims (1)

1.ISTEMLER Iç tahmin kullanarak bir Video kodunu çözme usulü olup, Video kodunu çözme usulü asagidakileri içerir: bir bit akisindan, bir mevcut blogun bir iç tahmin modunu belirlemek için aday Iç tahmin modlarindan birinin kullanilip kullanilmadigini gösteren bir en olasi mod bayraginin elde edilmesi; en olasi mod bayragi aday iç tahmin modlarindan birinin kullanildigini gösterdiginde, bit akisindan, bir aday listesinde yer alan aday iç tahmin modlari arasindan birini gösteren bir mod indeksinin ayristirilmasi; bir sol blok ve bir üst blogun iç tahmin modlarina göre aday listesinde sabit bir sayida aday iç tahmin modunun belirlenmesi; ve aday listesinde yer alan aday iç tahmin modlari arasindan mod indeksiyle belirtilen bir tahmin modu kullanilarak mevcut blok üzerinde iç tahmin gerçeklestirilmesi, sol blok ve üst blogun iç tahmin modlari birbirine esit oldugunda ve sol blogun iç modu DC modu oldugunda, aday iç tahmin modlari bir düzlemsel mod ve bir DC modu içerir. sol blok ve üst blogun iç tahmin modlari birbirine esit olmadiginda, aday iç tahmin modlari sol blok ve üst blogun iç tahmin modlarini içerir. TR
TR2018/02888T 2011-06-28 2012-06-27 İç tahmin ile video kodu çözmek için usul. TR201802888T4 (tr)

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TR2019/06149T TR201906149T4 (tr) 2011-06-28 2012-06-27 İç tahmin ile video kodlamak için usul ve cihaz.

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PH12016500445B1 (en) 2016-07-04
RS55400B1 (sr) 2017-04-28
CN107396115A (zh) 2017-11-24
CN104869420B (zh) 2018-04-24

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